The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 03, 1989
Filed:
Mar. 04, 1987
Applicant:
Inventors:
Yoshiro Okami, Tokyo, JP;
Shinichi Kondo, Kanagawa, JP;
Daishiro Ikeda, Tokyo, JP;
Hamao Umezawa, deceased, late of Tokyo, JP;
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K / ; C07H / ;
U.S. Cl.
CPC ...
514 36 ; 536 161 ; 536 168 ;
Abstract
As new 2'-deamino-2'-hydroxyistamycin B.sub.o derivatives are provided four compounds, namely 2'-deamino-2'-hydroxyistamycin B; 2'-deamino-2'-hydroxy-3-O-demethylistamycin B; 4-N-(.beta.-alanyl)-2'-deamino-2'-hydroxyistamycin B.sub.o ; and 4-N-(.beta.-alanyl)-2'-deamino-2'-hydroxy-3-O-demethylistamycin B.sub.o which all exhibit high antibacterial activity and low acute toxicity in combination. These new compounds are useful as antibacterial agent.